IBM MM50 Monitor
(250-0464) Troubleshooting Faxback Doc. # 37003
If you have a problem setting up or using your monitor, you may be able
to solve it yourself. Before calling your retailer or IBM you should
try the suggested actions that are appropriate to your problem.
Problem Possible Cause Suggested Action Reference
Ensure the electrical
outlet and the monitor
are both switched on.
Check power cord is
firmly plugged into
the monitor and the
Screen is No power to electrical outlet.
blank and monitor.
power
indicator
is off. If the power cord plug
has a removeable fuse,
replace it.
Try another power cord.
Try another electrical
outlet.
Brightness and Adjust brightness and
Contrast may be contrast using the main
too low. control menu.
Screen is No video signal Check the signal cable is
blank and from the computer. firmly connected to the
power computer.
indicator is
steady green. Check no pins are bent
in the signal cable
connector.
If the screen remains
blank:
Perform a monitor self Page 14
diagnosis.
The monitor is Press any key on the
in Power keyboard or move the
Management mouse to restore
operation.
Screen is No video signal Check the signal cable
blank and from the is firmly connected
power computer. to the computer.
indicator is
flashing
between green
and amber. Check no pins are bent
in the signal cable
connector.
If the screen remains
blank:
Perform a monitor
self diagnosis. Page 14
The monitor is Press any key on
in Power the keyboard or
Management move the mouse
Off state. to restore
operation.
Screen is Check the signal cable
blank and No video signal is firmly connected
power from the computer. to the computer.
indicator
is steady
amber. Check no pins are bent
in the signal cable
connector.
If the screen remains
blank:
Perform a monitor
self diagnosis. Page 14
Power Display mode Reconfigure the Optimizing
Indicator of the computer computer to use performance
is flashing is outside a supported on Page 5
green. the range display mode.
of the monitor.
The monitor is Reconfigure the Optimizing
operating in an computer to use performance
interlaced or a non-interlaced page 5
low refresh display mode with
rate display a refresh rate of
mode. at least 72 Hz.
Image appears The monitor may Move fluorescent
to be be affected desk lightning or
flickering. by interference any equipment that
from nearby produces magnetic
equipment. fields further away
from the monitor.
Move any equipment
magnetic fields (e.g.
sub woofer loud
The monitor may be speakers) further
affected by away from the monitor.
interference
from nearby
equipment.
Image appears If another monitor is
to be close by, a separation
discolored. distance of at least 6
inches (150mm) is
recommended.
Magnetization Degauss the monitor. User
of monitor controls
components on page 6
has built up.
Current application None
does not use sound.
Volume set too Increase the volume
low. using button 4 or OSD
main control menu.
The sound may be Press button 1,
muted. once.
No sound. No audio signal Check the audio Installing
from the computer. cables have been your
properly connected Monitor on
to the computer. page 4
Faulty audio Have the computer
system in the audio system
computer. checked out.
Sound Volume set too Decrease the volume
seems high. using button 3 or
distorted. OSD main control
menu.
(/BKL-06/24/97)
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